A video showing the use of the Chamfer & Countersink screen
The complete playlist about drilling, tapping, tool post drilling and tapping tools: https://www.youtube.com/playlist?list=PLcgBbexLAmrLDSBKpsM_JQzuT-Y6D_w61
Chapters:
00:00 Introduction
00:15 Setup the tools
00:43 Calibrating the tool
01:38 Probing tool length
01:48 Calibrating using the top slide
02:41 Calibrating using repeat cuts
04:55 Entering the calibration data
06:31 Chamfering the hole
07:36 Countersinking the hole